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Maria T. Atanasova's Photo Gallery

586-H54Erythrite Co3(AsO4)2·8H2O

01083900015784824087520.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 50 mm x 25 mm
Field of View: 3.08 mm

Collected by Wolf Windisch
Copyright: © Wolf Windisch      Photo ID: 1022814     Uploaded by: Maria T. Atanasova   View Count: 24   Approval status: Public galleries    Type: Photo - 2272 x 1704 pixels (3.9 Mpix)

EW4-UUWErythrite Co3(AsO4)2·8H2O

03725700015784819516228.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 50 mm x 25 mm
Field of View: 3.1 mm

Collected by Wolf Windisch
Copyright: © Wolf Windisch      Photo ID: 1022813     Uploaded by: Maria T. Atanasova   View Count: 47   Approval status: Public galleries    Type: Photo - 2272 x 1704 pixels (3.9 Mpix)

PJ3-6JNErythrite Co3(AsO4)2·8H2O

07191060015784819513479.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 50 mm x 25 mm
Field of View: 3.10 mm

Collected by Wolf Windisch.
Copyright: © Wolf Windisch      Photo ID: 1022812     Uploaded by: Maria T. Atanasova   View Count: 19   Approval status: Public galleries    Type: Photo - 2272 x 1704 pixels (3.9 Mpix)

8TY-VYTErythrite Co3(AsO4)2·8H2O

00618250015784819528048.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 30 mm x 60 mm x 40 mm
Field of View: 1.61 mm

Erythrite
Copyright: © Maria T. Atanasova      Photo ID: 1022808     Uploaded by: Maria T. Atanasova   View Count: 23   Approval status: Public galleries    Type: Photo - 2432 x 1816 pixels (4.4 Mpix)

JFX-7NKErythrite Co3(AsO4)2·8H2O

05159950015784819525292.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 30 mm x 60 mm x 40 mm
Field of View: 3.53 mm

Erythrite on matrix
Copyright: © Maria T. Atanasova      Photo ID: 1022807     Uploaded by: Maria T. Atanasova   View Count: 35   Approval status: Public galleries    Type: Photo - 2239 x 1675 pixels (3.8 Mpix)

L71-VW3Löllingite FeAs2 , Erythrite Co3(AsO4)2·8H2O

07738410015784229733227.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 50 mm x 25 mm
Field of View: 3.98 mm

The EDS spectra contain some Co and Ni, suggesting that it could be an intermediate member in the series safflorite (CoAs2) and rammelsbergite (NiAs2)
Copyright: © Maria T. Atanasova      Photo ID: 1022754     Uploaded by: Maria T. Atanasova   View Count: 23   Approval status: Public galleries    Type: Photo - 2402 x 1798 pixels (4.3 Mpix)

PRU-8PRPharmacoalumite KAl4(AsO4)3(OH)4·6.5H2O , Bariopharmacosiderite Ba0.5Fe3+4(AsO4)3(OH)4·5H2O

06057690015784198289166.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 50 mm x 25 mm
Field of View: 283 μm

Cubic pharmacoalumite crystals partially coated by bariopharmaosiderite.
Copyright: © Maria T. Atanasova      Photo ID: 1022746     Uploaded by: Maria T. Atanasova   View Count: 8   Approval status: User gallery only    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

92P-Y4WPharmacoalumite KAl4(AsO4)3(OH)4·6.5H2O , Bariopharmacosiderite Ba0.5Fe3+4(AsO4)3(OH)4·5H2O

07705000015784198285838.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 50 mm x 25 mm
Field of View: 0.88 mm

Fine-grained aggregates of clear cubic pharmacoalumite crystals with and some thinly coated by pale-green bariopharmacosiderite.
Copyright: © Maria T. Atanasova      Photo ID: 1022742     Uploaded by: Maria T. Atanasova   View Count: 6   Approval status: Public galleries    Type: Photo - 1541 x 1152 pixels (1.8 Mpix)

UCL-MJFAsbolane (Ni,Co)2-xMn4+(O,OH)4·nH2O , Bariopharmacosiderite Ba0.5Fe3+4(AsO4)3(OH)4·5H2O , Albite Na(AlSi3O8)

00567360015784198292563.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 5 mm x 20 mm x 25 mm
Field of View: 1.18 mm

Copyright: © Maria T. Atanasova      Photo ID: 1022736     Uploaded by: Maria T. Atanasova   View Count: 10   Approval status: Public galleries    Type: Photo - 2525 x 1887 pixels (4.8 Mpix)

40K-08TArsenolite As2O3 , Erythrite Co3(AsO4)2·8H2O

06003470015784198298354.jpg
Kruisrivier cobalt mine, Farm Kruisrivier 74 JS, Middelburg, Nkangala District, Mpumalanga, South Africa

Dimensions: 20 mm x 20 mm x 25 mm
Field of View: 212 μm
Largest Crystal Size: 50 μm

Arsenolite octahedra with acicular erythrite.

Specimen collected by and previously in late Wolf Windisch collection.

Copyright: © Maria T. Atanasova      Photo ID: 1022723     Uploaded by: Maria T. Atanasova   View Count: 37   Approval status: Public galleries    Type: Photo - 3783 x 2837 pixels (10.7 Mpix)
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